ID   HDA_SALCH               Reviewed;         241 AA.
AC   Q57LL3;
DT   05-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT   10-MAY-2005, sequence version 1.
DT   03-AUG-2022, entry version 77.
DE   RecName: Full=DnaA regulatory inactivator Hda {ECO:0000255|HAMAP-Rule:MF_01158};
GN   Name=hda {ECO:0000255|HAMAP-Rule:MF_01158}; OrderedLocusNames=SCH_2493;
OS   Salmonella choleraesuis (strain SC-B67).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Salmonella.
OX   NCBI_TaxID=321314;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=SC-B67;
RX   PubMed=15781495; DOI=10.1093/nar/gki297;
RA   Chiu C.-H., Tang P., Chu C., Hu S., Bao Q., Yu J., Chou Y.-Y., Wang H.-S.,
RA   Lee Y.-S.;
RT   "The genome sequence of Salmonella enterica serovar Choleraesuis, a highly
RT   invasive and resistant zoonotic pathogen.";
RL   Nucleic Acids Res. 33:1690-1698(2005).
CC   -!- FUNCTION: Mediates the interaction of DNA replication initiator protein
CC       DnaA with DNA polymerase subunit beta sliding clamp (dnaN). Stimulates
CC       hydrolysis of ATP-DnaA to ADP-DnaA, rendering DnaA inactive for
CC       reinitiation, a process called regulatory inhibition of DnaA or RIDA
CC       (By similarity). {ECO:0000250}.
CC   -!- SUBUNIT: The active form seems to be an ADP-bound monomer. Forms the
CC       RIDA complex (regulatory inactivation of DnaA) of ATP-DnaA, ADP-Hda and
CC       the DNA-loaded beta sliding clamp (dnaN). {ECO:0000255|HAMAP-
CC       Rule:MF_01158}.
CC   -!- SIMILARITY: Belongs to the DnaA family. HdA subfamily.
CC       {ECO:0000255|HAMAP-Rule:MF_01158}.
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DR   EMBL; AE017220; AAX66399.1; -; Genomic_DNA.
DR   RefSeq; WP_000100388.1; NC_006905.1.
DR   AlphaFoldDB; Q57LL3; -.
DR   SMR; Q57LL3; -.
DR   EnsemblBacteria; AAX66399; AAX66399; SCH_2493.
DR   KEGG; sec:SCH_2493; -.
DR   HOGENOM; CLU_072265_1_1_6; -.
DR   OMA; DWGQIYR; -.
DR   Proteomes; UP000000538; Chromosome.
DR   GO; GO:0006260; P:DNA replication; IEA:UniProtKB-UniRule.
DR   GO; GO:0032297; P:negative regulation of DNA-templated DNA replication initiation; IEA:InterPro.
DR   Gene3D; 3.40.50.300; -; 1.
DR   HAMAP; MF_01158; Hda; 1.
DR   InterPro; IPR020591; Chromosome_initiator_DnaA-like.
DR   InterPro; IPR013317; DnaA.
DR   InterPro; IPR017788; Hda.
DR   InterPro; IPR022864; Hda_Enterobact.
DR   InterPro; IPR027417; P-loop_NTPase.
DR   Pfam; PF00308; Bac_DnaA; 1.
DR   PRINTS; PR00051; DNAA.
DR   SUPFAM; SSF52540; SSF52540; 1.
DR   TIGRFAMs; TIGR03420; DnaA_homol_Hda; 1.
PE   3: Inferred from homology;
KW   DNA replication; DNA replication inhibitor.
FT   CHAIN           1..241
FT                   /note="DnaA regulatory inactivator Hda"
FT                   /id="PRO_1000065564"
SQ   SEQUENCE   241 AA;  27472 MW;  F27B42EF7FAAA63E CRC64;
     MSSWVEVSLN TPAQLSLPLY LPDDETFASF WPGDNASLLA ALQNVLRQEH SGYIYLWARE
     GAGRSHLLHA ACAELSQRGD AVGYVPLDKR TWFVPEVLDG MEHLSLVCID NIECVAGDEL
     WEMAIFDLYN RILESGKTRL LITGDRPPRQ LNLGLPDLAS RLDWGQIYKL QPLSDEDKLQ
     ALQLRARLRG FELPEDVGRF LLKRLDREMR TLFMTLDQLD HASITAQRKL TIPFVKEILK
     L